skarg
87 lines
3.2 KiB
C
87 lines
3.2 KiB
C
/**************************************************************************
|
|
*
|
|
* Copyright (C) 2005 Steve Karg <skarg@users.sourceforge.net>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*********************************************************************/
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include "config.h"
|
|
#include "config.h"
|
|
#include "txbuf.h"
|
|
#include "bacdef.h"
|
|
#include "bacdcode.h"
|
|
#include "address.h"
|
|
#include "tsm.h"
|
|
#include "npdu.h"
|
|
#include "apdu.h"
|
|
#include "device.h"
|
|
#include "datalink.h"
|
|
/* some demo stuff needed */
|
|
#include "handlers.h"
|
|
#include "txbuf.h"
|
|
|
|
/* find a specific device, or use -1 for limit if you want unlimited */
|
|
void Send_WhoIsRouterToNetwork(
|
|
int dnet)
|
|
{
|
|
int len = 0;
|
|
int pdu_len = 0;
|
|
BACNET_ADDRESS dest;
|
|
int bytes_sent = 0;
|
|
BACNET_NPDU_DATA npdu_data;
|
|
|
|
/* encode the NPDU portion of the packet */
|
|
npdu_data.data_expecting_reply = false;
|
|
npdu_data.protocol_version = BACNET_PROTOCOL_VERSION;
|
|
npdu_data.network_layer_message = true; /* false if APDU */
|
|
npdu_data.network_message_type = NETWORK_MESSAGE_WHO_IS_ROUTER_TO_NETWORK;
|
|
npdu_data.vendor_id = 0; /* optional, if net message type is > 0x80 */
|
|
npdu_data.priority = MESSAGE_PRIORITY_NORMAL;
|
|
npdu_data.hop_count = 0;
|
|
pdu_len =
|
|
npdu_encode_pdu(&Handler_Transmit_Buffer[0], NULL, NULL, &npdu_data);
|
|
/* encode the optional DNET portion of the packet */
|
|
if (dnet >= 0) {
|
|
len = encode_unsigned16(&Handler_Transmit_Buffer[pdu_len], dnet);
|
|
pdu_len += len;
|
|
#if PRINT_ENABLED
|
|
fprintf(stderr, "Send Who-Is-Router-To-Network Request to %u\n",dnet);
|
|
#endif
|
|
} else {
|
|
#if PRINT_ENABLED
|
|
fprintf(stderr, "Send Who-Is-Router-To-Network Request\n");
|
|
#endif
|
|
}
|
|
/* Who-Is-Router-To-Network is a global broadcast */
|
|
datalink_get_broadcast_address(&dest);
|
|
bytes_sent =
|
|
datalink_send_pdu(&dest, &npdu_data, &Handler_Transmit_Buffer[0],
|
|
pdu_len);
|
|
#if PRINT_ENABLED
|
|
if (bytes_sent <= 0)
|
|
fprintf(stderr, "Failed to Send Who-Is-Router-To-Network Request (%s)!\n",
|
|
strerror(errno));
|
|
#endif
|
|
}
|